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Technical Data Sheet
PartsTable / COMPONENT / QQ-N-286,GR500
QQ-N-286,GR500 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The QQ-N-286,GR500 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-346-1579, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
QQ-N-286,GR500
NSN: 5305-01-346-1579
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberQQ-N-286,GR500
NSN5305-01-346-1579
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: QQ-N-286,GR500 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 1.125 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
THREAD CLASS: 3A A
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZX
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.125 INCHES NOMINAL IN
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.375 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CRITICALITY CODE JUSTIFICATIONZZZX
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALNICKEL ALLOY OVERALL
THREAD QUANTITY PER INCH16
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
LL57U40J6MInterchangeable
interchangeable cross-reference
interchangeable
61511800524Interchangeable
interchangeable cross-reference
interchangeable
910060-0406Interchangeable
interchangeable cross-reference
interchangeable
2585164Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18240Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QQ-N-286,GR500?
QQ-N-286,GR500 is a QQ-N-286,GR500.
What parts can replace QQ-N-286,GR500?
There are 30 known substitutes for QQ-N-286,GR500: LL57U40J6M, 61511800524, 910060-0406 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QQ-N-286,GR500?
QQ-N-286,GR500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-346-1579. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026